What is the Greatest Common Factor of 77668 and 77685?

Greatest common factor (GCF) of 77668 and 77685 is 1.

GCF(77668,77685) = 1

We will now calculate the prime factors of 77668 and 77685, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77668 and 77685.

How to find the GCF of 77668 and 77685?

We will first find the prime factorization of 77668 and 77685. After we will calculate the factors of 77668 and 77685 and find the biggest common factor number .

Step-1: Prime Factorization of 77668

Prime factors of 77668 are 2, 19417. Prime factorization of 77668 in exponential form is:

77668 = 2² × 19417¹

Step-2: Prime Factorization of 77685

Prime factors of 77685 are 3, 5, 5179. Prime factorization of 77685 in exponential form is:

77685 = 3¹ × 5¹ × 5179¹

Step-3: Factors of 77668

List of positive integer factors of 77668 that divides 77668 without a remainder.

1, 2, 4, 19417, 38834

Step-4: Factors of 77685

List of positive integer factors of 77685 that divides 77668 without a remainder.

1, 3, 5, 15, 5179, 15537, 25895

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77668 and 77685. The biggest common factor number is the GCF number.
So the greatest common factor 77668 and 77685 is 1.

Also check out the Least Common Multiple of 77668 and 77685